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Model reliability

Mazda B Series reliability

The Mazda B Series fails its MOT about as often as most cars over 10 years old: 41.7% of 1,890 tests failed in 2023, against 39.7% on average.

Over 10 years old
41.7% failed their MOT
About average
From 1,890 MOT tests of Mazda B Seriess this age.
Where it does worse than other cars this age
Fails 9× as oftenFront and rear fog lamps9.4% vs 1%Fix about £30
Fails 2× as oftenTransmission5.8% vs 2.6%
Fails 3× as oftenRigid brake pipes5.2% vs 1.7%Fix about £120
Fails 31% more oftenHeadlamps5.1% vs 3.9%Fix about £30
Advised 3× as oftenRigid brake pipes25.5% vs 8.3%Fix about £120
Advised 13× as oftenChassis15% vs 1.2%
Advised 5× as oftenWheel bearings8.3% vs 1.7%
Advised 74% more oftenBrake performance8% vs 4.6%
Safety recalls

3 DVSA recalls for the Mazda B Series

Most cover a batch of cars built in a set period, and dealers fix them free. Sweep’s check shows the recalls for a car’s age and whether the DVSA has one outstanding.

R/2020/0579 Mar 2020Built 1999Moisture could enter the airbag inflator causing the propellnt to degrade

The absorption of moisture into the driver�s airbag propellant could lead to slow deployment or inflator rupture.

Fix: Replace the airbag inflator or the airbag assembly. Mazda is still preparing for the development and production of the remedy parts.

Recalled models: B SERIES · 1,649 vehicles

R/2016/21030 Sept 2016Built 1989–2002Fire may occur

Carbonised grease may accumulate between the contact points in the ignition switch reducing the insulation performance inside the switch. In this condition the switch may generate heat resulting in smoke and in the worst case a fire.

Fix: On affected vehicles replace the ignition switch.

Recalled models: B SERIES · 84,062 vehicles

R/2003/05827 Apr 2003Built 2002Front steering knuckle may have cracked

The front steering knuckle may be cracked in the area where it connects to the front tie rod ball joint. In a worst case failure directional control of the vehicle could be affected.

Fix: Examine potentially affected vehicles and fit new steering knuckles where found necessary.

Recalled models: B SERIES · 62 vehicles

DVSA vehicle safety recalls (Crown copyright, Open Government Licence).

Checking a Mazda B Series before you buy

Look at the parts above at the viewing, and read the car’s own MOT history: advisories for the same parts suggest the problem is already starting. Sweep’s free check shows every MOT, advisory and mileage reading for a registration.

Source: DVSA anonymised MOT tests 2023 (Open Government Licence v3.0). Failure rates compare this model with all cars in the same age band. Fix prices are typical independent-garage estimates.
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